. >> reporter: maryland and connecticut are the only two states that require carbon monoxide detectors in schools. and maryland only requires them in new schools. in texas, they have to be installed in certain day-care centers. and only 25 states require them in residential buildings. the boiler at the atlanta grade school was last checked a year ago, which isn't making parents feel any better. for "good morning america," steve osunsami, abc news, atlanta. >> this is leading to a move lots of schools are examining the question of whether they need to be installing these. >> real wake-up call there. >>> switch gears now. play some music right here. ♪ you're a mean one, mr. grinch ♪ that is because a man was indicating on tape stealing christmas decorations from front lawns. abc's rob nelson has the story. >> reporter: judging from this surveillance video, this grinch not only stole christmas, he let the air out of it. >> we headed out for work, we noticed that the inflatables were missing. >> reporter: san antonio police say this man stole an inflatable sled and snowman from a front